San Francisco
She advises sponsors, investors and buyers in the renewable energy sector on all stages of a project, from drafting and negotiating offtake, procurement and construction contracts to coordinating debt, tax equity and preferred equity financing, as well as facilitating tax credit transfer structures, joint venture arrangements, and project acquisitions and sales.
Helen takes a collaborative approach to help clients build consensus and manage stakeholders across an increasingly complicated capital stack to close the deal. She understands both the legal and business challenges of the energy transition from a variety of perspectives, including through direct experience on secondment to the project finance group of a major U.S. renewable energy developer.
As a law student, Helen worked as a summer legal intern in the Administrative Law Judge Division of the California Public Utilities Commission, as a senior business analyst with Pacific Gas and Electric Company and as a legal trainee at Positive Planet UK.
Before practicing law, she led programs with state and local governments and ratepayer-funded energy efficiency programs to advance the adoption of clean technologies, including battery storage, virtual power plants, commercial and industrial lighting and advanced building control systems.
New York
He advises sponsors, debt providers and equity investors in financings and acquisitions of renewable power, conventional power, telecom and other infrastructure assets.
As a 2021 Orrick Racial Justice Fellow, he served as in-house financing counsel for non-profit Common Future, helping structure the non-profit's novel Character-Based Lending Fund to provide capital to entrepreneurs in diverse communities. He has also counseled on a pro-bono basis social impact startups focused on healthcare and energy efficiency.
Prior to joining Orrick, Walter was a reporter for the Concord Monitor in New Hampshire and The Hill in Washington, D.C., and an editorial page contributor for The Boston Globe. He collaborated with authors on two books, “The New New Deal: The Hidden Story of Change in the Obama Era,” by Michael Grunwald (Simon & Schuster, 2012), a New York Times bestseller and an Economist book of the year, and “Long Mile Home: Boston Under Attack, the City’s Courageous Recovery, and the Epic Hunt for Justice,” by Scott Helman and Jenna Russell (Penguin, 2014).
Londres
Simon represents client in connection with acquisitions, disposals, joint venture arrangements and project agreements in energy and infrastructure investments and financings.
Houston
Matt's practice is centered on project development and mergers and acquisitions (“M&A”) in the energy industry, with a particular focus on electric power and midstream projects. He regularly advises clients on the development, construction, operation, purchase and disposition of conventional power, renewable and midstream projects. His experience includes each stage, from early development, construction, offtake agreements, through commercial operation, financing, repowering and disposition. Matt also regularly represents clients in the development, structuring and construction of large natural gas pipeline, renewable and gas-fired power projects in Mexico.
Matt’s experience encompasses all manner of revenue and construction contracts; equipment supply and warranty agreements, long-term parts and services agreements; operating and maintenance agreements; electric interconnection and transmission agreements; fuel supply and transportation agreements; and ownership, joint venture and equity participation agreements.
Houston
Jonathan represents companies driving the energy transition, including representing project developers in connection with engineering, procurement and construction agreements, solar module purchase agreements, transformer purchase agreements, and operation and maintenance agreements. He co-leads Orrick's nuclear power practice and has represented the purchaser in the first high-assay low-enriched uranium purchase agreement, as well as in numerous joint venture, engineering, procurement, and construction, and commercial agreements in the nuclear power industry. Chambers Global has reported, "He knows the industry very well and takes a commercial approach to help resolve differences with the counterparty. He has a good bedside manner and cooperates well with others,” and ”he's very resourceful and he approaches the energy and corporate sector with a true business sense." Jonathan was recognized in 2020 by Law 360 as an Energy Rising Star.
Jonathan is a recognized leader in cutting-edge transactions in oil and gas securitizations, representing the investors in the first oil and gas securitization, in the first operated property transaction, in the first transaction involving properties owned by the Bureau of Land Management, and in the first transaction using a master trust structure. He has worked on over $20 billion of oil and gas securitizations.
Jonathan is an active supporter of the Houston Symphony, serving as Chairman of the Houston Symphony's Finance Committee, as a Governing Director on the Houston Symphony Society's Board of Trustees, and as chair of the 2021 Houston Symphony's Wine Dinner and Collector's Auction. He serves as a member of the Steering Committee of the Houston Men of Distinction Annual Awards Luncheon, an organization that recognizes Houston men who have distinguished themselves through excellence in community achievement, thereby providing support in superior biomedical research, education, and patient care in the Texas Medical Center.
Paris
Geoffroy intervient en matière de contrats publics, notamment dans le cadre de concessions et de PPP. En matière d’infrastructures et de bâtiments, il est notamment intervenu sur les projets relatifs au financement, à la construction et à l’exploitation du Stade Vélodrome de Marseille, de la ligne à grande vitesse Sud Europe Atlantique, du village des athlètes en vue des Jeux Olympiques de Paris 2024, du Grand Paris Express ou encore de l’extension en mer de la Principauté de Monaco. Il est également intervenu sur plusieurs projets autoroutiers (A412, A69, RCEA, A88, A41, A150), portuaires (Calais, Cannes) et aéroportuaires (Nice, Lyon, Beauvais).
En matière d’énergies renouvelables, il intervient aux côtés de l’Etat (Ministère de la Transition énergétique) dans les appels d’offres relatifs à la réalisation des parcs éoliens en mer, posés et flottants. Il conseille également des opérateurs, notamment, dans la réalisation de projets de biomasse et de géothermie, ainsi que des investisseurs dans le cadre d’opérations « M&A » portant sur des actifs éoliens et solaires ou encore en matière de méthanisation. Il dispose également de plusieurs références en matière d’hydroélectricité. Il conseille à la fois les sponsors et les prêteurs et travaille régulièrement avec les entités publiques et les gouvernements. Il a également développé une pratique de conseil dans la rédaction et la négociation de corporate PPA, à la fois aux côtés de producteurs d’énergie et aux côtés d’acheteurs.
Geoffroy Berthon est reconnu par ses clients comme "un avocat talentueux, dynamique et brillant. C'est un travailleur acharné. Son calme et son écoute rassurent le client" (Legal 500) et comme Leading Partner par Legal 500 (EMEA 2025) en droit public et énergie.
Geoffroy est Docteur en Droit public, et a été maître de conférences en droit des contrats publics à Sciences Po et publie régulièrement en français et en anglais.
Paris
Sa pratique couvre le développement de projets, en particulier en matière d’énergies renouvelables, et d’infrastructures, notamment dans le cadre de contrats publics de type concessions et marchés de partenariat, ainsi que les aspects réglementaires liés aux activités régulées. Elle intervient en outre au contentieux dans ces secteurs.
Elle conseille à la fois les sponsors et les prêteurs, et collabore également avec des entités publiques.
Constance a débuté sa carrière chez Orrick en 2013, avant de rejoindre le département financement de projet de la direction juridique de Bouygues Construction fin 2018 pendant un peu plus de deux ans. Elle a réintégré le bureau de Paris d’Orrick en 2021.
New York
Vicki negotiates project financings, procurement, acquisition and sale of energy and infrastructure projects. She quarterbacks complex mergers and acquisitions as well as project developments that require coordination with a host of different parties and advises on debt and equity financings for renewable and conventional energy projects. Well versed in public-private partnerships (PPP/P3) and securities offerings, Vicki guides clients through the legal and business challenges of large infrastructure projects.
Vicki is recognized nationally by Chambers USA, where clients state that she “is terrific to work with,” and she “always makes herself available and is extremely knowledgeable, intelligent and able to get the best out of everyone she works with.”
A distinctive aspect of Vicki’s practice is her dual focus in both the infrastructure and renewables sectors. She leverages this unique perspective in her client relationships with project developers, sponsors, issuers, lenders and governmental authorities.
Passionate about strategizing to get a project to completion, Vicki helps clients build consensus and find creative solutions with achievable outcomes. Whether it’s for the development of a major airport expansion, the equity or debt financing of a wind farm, or the acquisition of a geothermal facility portfolio, Vicki counsels clients on challenging issues and the broader process, providing commercial advice that considers all stakeholders involved.
Dusseldorf
While Werner’s corporate and M&A experience spans a broad range of industries, he has built a strong focus on and deep knowledge of the Energy & Infrastructure sector. His experience extends to acquisitions, disposals, joint ventures, complex shareholder arrangements and project agreements of a variety of alternative energy and sustainability projects, including offshore wind, storage and mobility.
Werner also has extensive experience in project development, including advising on Operations & Maintenance and energy-related projects, particularly upstream and midstream. His in-depth understanding of how these projects fit together and how risk is allocated enables him to provide commercial, forward-looking advice on complex, cross-border transactions.
Werner is recommended in Germany for energy transactions (JUVE 2022/2023, Legal 500 2023), M&A (JUVE 2022/2023, Legal 500 2024, Handelsblatt/Best Lawyers 2023/24. WirtschaftsWoche 2023) and corporate law (WirtschaftsWoche 2021).
San Francisco
Ryan is a lawyer in the Energy and Infrastructure Group, which was recognized as Band 1 in Energy Transition by Chambers USA (2024) and was named by Chambers USA as the 2024 Energy and Projects Law Firm of the Year.
He has experience representing sponsors, investors and lenders in project development and finance (including debt and tax equity), mergers and acquisitions, joint ventures, and general corporate matters, including in the renewable energy, hydrogen/ammonia, renewable natural gas (RNG), sustainable aviation fuel (SAF), conventional energy, and maritime industries. Prior to joining Orrick, he practiced in Houston, Texas, at another global law firm and was the Managing Editor of the Texas Law Review.
Ryan also enjoys volunteering and has provided several hundred of hours of pro bono legal advice, primarily on small business and non-profit transactional needs.
Washington, D.C.
Washington, D.C.
Devin's practice focuses on the representation of sponsors, borrowers and investors in debt and tax equity financings for energy and infrastructure projects.
New York
Her work includes the structuring and negotiation of project development arrangements, early development oversight, BOP and EPC agreements, including for solar, wind, battery energy storage and high voltage facilities, equipment supply agreements (including warranty packages) for solar, wind and battery energy storage facilities, project financing, and project sale and acquisition agreements.
Over the past twenty years, Michelle has been active in renewable energy development, encompassing wind energy projects in the United States, Mexico, Europe, South America and Asia, solar energy projects in the United States, Mexico, Asia and South America and the formation and investment activities of energy investment funds. Michelle has also represented a wide range of clients in general corporate law, private equity, restructuring, share and asset purchases, structured financing, bank finance and leasing.